Finger-tapping to Music Could Reveal How Kids Master Speech

Researchers are one step closer to unlocking a medical mystery that has perplexed scientists for years - what causes people to stutter?ccording to University of Toronto speech-language pathologist Luc De Nil, finger-tapping beats could reveal such things as how children master one of the most complex tasks of all - speech.

Finger-tapping to Music Could Reveal How Kids Master Speech

"The rapid and precise muscle movements of speech must be the most intricate, yet poorly understood, of all the sensory-motor skills," said De Nil.

His interest in finger tapping came out of his group's previous work on adults who stutter.

His team discovered that they have problems in acquiring new and unusual tapping sequences and not just speech. The research suggested an underlying neural basis for the motor deficit.

The researchers tested the abilities of stuttering adults to learn both speech and tapping sequences. In some experiments, the participants were given extensive practice lasting more than one day.

Other studies investigated the effects on the accuracy of a speaker's performance when motor learning was disrupted.

To follow up, the investigators used functional magnetic resonance imaging to analyse the neural processes underlying speech production in children and adults who stutter.

"We turned to children next because we wanted to know if the adult data was relevant to them and if giving them finger and speech tasks would let us observe motor skills as they develop in both stutterers and non-stutterers," said De Nil.

De Nil presented the findings at the American Association for the Advancement of Science in Washington, D.C.

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